公开(公告)号：US20100272251A1

公开(公告)日：2010-10-28

申请号：US12751003

申请日：2010-03-31

申请人： Tatsushi BANBA ,  Hiroshi Yamashita ,  Hidetoshi Ichioka ,  Kazuo Nishiyama ,  Shiro Omori ,  Kenji Suzuki ,  Shuichi Takizawa ,  Shinichi Sameshima

发明人： Tatsushi BANBA ,  Hiroshi Yamashita ,  Hidetoshi Ichioka ,  Kazuo Nishiyama ,  Shiro Omori ,  Kenji Suzuki ,  Shuichi Takizawa ,  Shinichi Sameshima

IPC分类号： H04M9/08

CPC分类号： H04N7/15 ,  G10L2021/02082 ,  H04B3/20 ,  H04M9/082 ,  H04N7/141 ,  H04N21/42203 ,  H04N21/4223 ,  H04N21/439 ,  H04N21/4788 ,  H04R3/02

摘要： Disclosed herein is an echo removing apparatus including: a sound input terminal configured to input an external sound signal from external equipment; a first echo removing device configured to, after admitting as input signals the external sound signal coming from the external equipment and input through the sound input terminal and a receiver sound signal transmitted from a calling party, estimate a first pseudo echo component from the external sound signal in order to remove the first pseudo echo component from the receiver sound signal; and a second echo removing device configured to, after admitting as input signals the external sound signal coming from the external equipment and input through the sound input terminal and a transmitter sound signal input from a microphone, estimate a second pseudo echo component from the external sound signal in order to remove the second pseudo echo component from the transmitter sound signal.

摘要翻译： 这里公开了一种回波消除装置，包括：声音输入端子，被配置为从外部设备输入外部声音信号; 第一回波消除装置，被配置为在从外部设备接收到来自外部设备的外部声音信号并通过声音输入端子输入并从主叫方发送的接收机声音信号作为输入信号之后，从外部声音估计第一伪回波分量 信号，以从接收机声音信号中去除第一伪回波分量; 以及第二回波去除装置，被配置为在从外部设备接收到来自外部设备的外部声音信号并通过声音输入端子输入并从麦克风输入的发射机声音信号作为输入信号之后，从外部声音估计第二伪回波分量 信号以从发射机声音信号中去除第二伪回波分量。